libitm/ChangeLog

   1 2022-06-02  David Malcolm  <dmalcolm@redhat.com>
   2
   3         * testsuite/lib/libitm.exp: Add load_gcc_lib of scansarif.exp.
   4
   5 2022-02-03  David Seifert  <soap@gentoo.org>
   6             Jakub Jelinek  <jakub@redhat.com>
   7
   8         * configure.ac: Support --disable-werror.
   9         * configure: Regenerate.
  10
  11 2022-01-31  Martin Liska  <mliska@suse.cz>
  12
  13         * acinclude.m4: Detect *_ld_is_mold and use it.
  14         * configure: Regenerate.
  15
  16 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
  17
  18         * libitm.texi: Bump @copying's copyright year.
  19
  20 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
  21
  22         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
  23         target does not support HAVE_ELF_STYLE_WEAKREF then do not
  24         try to test the __cxa_get_globals against NULL.
  25
  26 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
  27
  28         PR libstdc++/91488
  29         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
  30
  31 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
  32
  33         PR target/70454
  34         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
  35         be added through preprocessor check on
  36         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
  37
  38 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  39
  40         * configure: Re-generate.
  41
  42 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  43
  44         * libitm.texi: Bump @copying's copyright year.
  45
  46 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  47
  48         PR target/97865
  49         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  50         * configure: Regenerate.
  51
  52 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  53
  54         * configure: Regenerate.
  55
  56 2020-10-01  Alan Modra  <amodra@gmail.com>
  57
  58         * config/powerpc/sjlj.S: Support __PCREL__ code.
  59
  60 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  61
  62         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  63
  64 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  65
  66         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  67         and add BTI c to function entries.
  68
  69 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  70
  71         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  72
  73 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  74
  75         PR bootstrap/95413
  76         * configure: Regenerated.
  77
  78 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  79
  80         PR bootstrap/95147
  81         * configure: Regenerated.
  82
  83 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  84
  85         * configure: Regenerated.
  86
  87 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  88
  89         Fix throw specifiers on interface.
  90         * libitm/libitm.h (_ITM_NOTHROW): Define.
  91         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  92         (_ITM_cxa_begin_catch): Use it.
  93         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  94         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  95         __cxa_get_globals.
  96         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  97         (_ITM_cxa_begin_catch): Likewise.
  98
  99 2020-05-05  Nathan Sidwell  <nathan@acm.org>
 100
 101         * testsuite/lib/libitm.exp (libitm_init): Add
 102         -fdiagnostics-color=never to options.
 103
 104 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
 105
 106         PR libstdc++/79193
 107         PR libstdc++/88999
 108
 109         * configure: Regenerated.
 110
 111 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
 112
 113         * configure.ac: Handle `--with-toolexeclibdir='.
 114         * Makefile.in: Regenerate.
 115         * aclocal.m4: Regenerate.
 116         * configure: Regenerate.
 117         * testsuite/Makefile.in: Regenerate.
 118
 119 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 120
 121         Update copyright years.
 122
 123         * libitm.texi: Bump @copying's copyright year.
 124
 125 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 126
 127         PR libgomp/91938
 128         * configure.tgt: Avoid IE tls on *-*-musl*.
 129
 130 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 131
 132         * configure: Regenerate.
 133
 134 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 135
 136         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 137
 138 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 139
 140         * configure.tgt: Handle *-*-uclinux*.
 141         * configure: Regenerate.
 142
 143 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 144
 145         * configure: Regenerate.
 146
 147 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 148
 149         PR other/79543
 150         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 151         scanning to conform to the GNU Coding Standards.
 152         * configure: Regenerate.
 153
 154 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 155
 156         * Makefile.am (finclude): Remove.
 157         * Makefile.in: Regenerated.
 158
 159 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 160
 161         Update copyright years.
 162
 163 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 164
 165         * libitm.texi: Bump @copying's copyright year.
 166
 167 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 168
 169         PR c++/88482
 170         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 171         void * to void (*) (void *).
 172         (_ITM_cxa_throw): Likewise.
 173         * libitm.h (_ITM_cxa_throw): Likewise.
 174         * libitm.texi (_ITM_cxa_throw): Likewise.
 175
 176 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 177
 178         * config/powerpc/target.h (htm_available):  Add support for
 179         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 180
 181 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 182
 183         PR bootstrap/82856
 184         * Makefile.am: Include multilib.am.
 185         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 186         (CLEANFILES): Remove libitm.info.
 187         * configure.ac: Remove AC_PREREQ.
 188         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 189         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 190         Regenerate.
 191
 192 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 193
 194         PR libitm/86293
 195         * method-serial.cc: Mark varible as potentially unused
 196         to silence warning.
 197
 198 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 199
 200         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 201         absolute relocation in a shared library.
 202
 203 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 204
 205         PR libitm/85988
 206         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 207         __private_tm as base.
 208         (SEG_WRITE): Likewise.
 209         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 210         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 211         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 212         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 213         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 214
 215 2018-05-17  Jason Merrill  <jason@redhat.com>
 216
 217         * beginend.cc (save): Disable -Werror=deprecated-copy.
 218
 219 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 220
 221         PR testsuite/85106
 222         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 223
 224 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 225
 226         PR testsuite/85106
 227         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 228
 229 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 230
 231         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 232         (__CET__ & 2) != 0 check for shadow stack.
 233         (GTM_longjmp): Likewise.
 234
 235 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 236
 237         * configure: Regenerated.
 238
 239 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 240
 241         PR target/85489
 242         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 243
 244 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 245
 246         * configure: Regenerated.
 247
 248 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 249
 250         PR jit/85384
 251         * configure: Regenerate.
 252
 253 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 254
 255         PR target/84148
 256         * configure: Regenerate.
 257
 258 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 259
 260         Update copyright years.
 261
 262         * libitm.texi: Bump @copying's copyright year.
 263
 264 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 265
 266         * Makefile.in: Regenerate.
 267         * acinclude.m4: Add enable.m4 and cet.m4.
 268         * config/x86/sjlj.S: Include cet.h.
 269         (_ITM_beginTransaction): Add _CET_ENDBR.
 270         Save Shadow Stack pointer.
 271         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 272         * config/x86/target.h (struct gtm_jmpbuf):
 273         Add new field for Shadow Stack pointer.
 274         * configure: Regenerate.
 275         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 276         * configure.ac: Update libtool_VERSION for x86.
 277         * testsuite/Makefile.in: Regenerate.
 278
 279 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 280
 281         * libitm/config/x86/target.h: Add new field (ssp).
 282         * libitm/config/x86/sjlj.S: Change offsets.
 283
 284 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 285
 286         * testsuite/lib/libitm.exp: Load scanlang.exp.
 287
 288 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 289
 290         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 291
 292 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 293
 294         PR other/79046
 295         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 296         of cat to get version from BASE-VER file.
 297         * testsuite/Makefile.in: Regenerated.
 298
 299 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 300
 301         * config/x86/target.h (htm_available): Determine vendor from
 302         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 303
 304 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 305
 306         * config/x86/target.h (htm_available): Add check for some processors
 307         on which TSX is broken.
 308
 309 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 310
 311         PR other/79046
 312         * configure.ac: Add GCC_BASE_VER.
 313         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 314         get version from BASE-VER file.
 315         * testsuite/Makefile.in: Regenerated.
 316         * configure: Regenerated.
 317         * Makefile.in: Regenerated.
 318
 319 2017-01-04  Alan Modra  <amodra@gmail.com>
 320
 321         * Makefile.in: Regenerate.
 322         * testsuite/Makefile.in: Regenerate.
 323
 324 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 325
 326         Update copyright years.
 327
 328         * libitm.texi: Bump @copying's copyright year.
 329
 330 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 331
 332         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 333         * aclocal.m4: Regenerate.
 334         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 335         LIBITM_CHECK_LINKER_HWCAP.
 336
 337 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 338
 339         * configure: Regenerate.
 340
 341 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 342
 343         PR libitm/70456
 344         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 345         on cache line if requested.
 346
 347 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 348
 349         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 350         function attribute to disable floating point in begin_transaction() on
 351         S/390.
 352         * beginend.cc (begin_transaction): Use
 353         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 354
 355 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 356
 357         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 358         boundary.
 359         (htm_fastpath): Remove.
 360         (gtm_thread::begin_transaction): Fix HTM fastpath.
 361         (_ITM_commitTransaction): Adapt.
 362         (_ITM_commitTransactionEH): Adapt.
 363         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 364         and accessors.
 365         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 366         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 367         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 368         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 369         * libitm/method-serial.cc (htm_mg): Adapt.
 370         (gtm_thread::serialirr_mode): Adapt.
 371         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 372
 373 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 374
 375         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 376         or AIX.
 377
 378 2016-01-19  Richard Henderson  <rth@redhat.com>
 379
 380         PR bootstrap/69343
 381         PR bootstrap/69339
 382         Revert:
 383         2016-01-13  Richard Henderson  <rth@redhat.com>
 384
 385         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 386         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 387         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 388         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 389         * configure.ac (ARCH_AARCH64): New conditional.
 390         (ARCH_PPC, ARCH_S390): Likewise.
 391         * Makefile.in, configure: Rebuild.
 392
 393         * libitm.h (_ITM_TYPE_M128): Always define.
 394         * vect64.cc: Split ...
 395         * vect128.cc: ... out of...
 396         * config/x86/x86_sse.cc: ... here.
 397         * config/arm/neon.cc: New file.
 398
 399 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 400
 401         * local_type_traits: Remove file.
 402         * libitm_i.h: Don't include it anymore.
 403         (sized_integral): Remove.
 404
 405 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 406
 407         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 408         safety.
 409         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 410         * libitm/testsuite/libitm.c/priv-1.c: New.
 411
 412 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 413
 414         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 415
 416 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 417
 418         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 419         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 420         (gtm_rwlock::write_unlock): Likewise.
 421
 422 2016-01-13  Richard Henderson  <rth@redhat.com>
 423
 424         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 425         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 426         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 427         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 428         * configure.ac (ARCH_AARCH64): New conditional.
 429         (ARCH_PPC, ARCH_S390): Likewise.
 430         * Makefile.in, configure: Rebuild.
 431
 432         * libitm.h (_ITM_TYPE_M128): Always define.
 433         * vect64.cc: Split ...
 434         * vect128.cc: ... out of...
 435         * config/x86/x86_sse.cc: ... here.
 436         * config/arm/neon.cc: New file.
 437
 438 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 439
 440         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 441         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 442         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 443         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 444         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 445         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 446         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 447         (serialirr_dispatch::snapshot_most_recent): New.
 448         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 449
 450 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 451
 452         * libitm_i.h (gtm_mask_stack): Remove.
 453         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 454         * stmlock.h: Remove file.
 455         * config/alpha/cacheline.h: Likewise.
 456         * config/generic/cacheline.h: Likewise.
 457         * config/powerpc/cacheline.h: Likewise.
 458         * config/sparc/cacheline.h: Likewise.
 459         * config/x86/cacheline.h: Likewise.
 460
 461 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 462
 463         Update copyright years.
 464
 465         * libitm.texi: Bump @copying's copyright year.
 466
 467 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 468
 469         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 470         (ml_wt_dispatch::pre_write): Adapt.
 471         (ml_wt_dispatch::pre_load): Likewise.
 472
 473 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 474
 475         * libitm_i.h (gtm_alloc_action): Remove union.
 476         * testsuite/libitm.c/alloc-1.c: New.
 477
 478 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 479
 480         * testsuite/libitm.c++/eh-5.C: New.
 481         * libitm.h (_ITM_cxa_free_exception): New.
 482         * libitm.map (_ITM_cxa_free_exception): Add it.
 483         * libitm.texi: Update ABI docs.
 484         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 485         (gtm_transaction_cp::cxa_uncaught_count): Add.
 486         (gtm_thread::cxa_unthrown): Remove.
 487         (gtm_thread::cxa_uncaught_count_ptr): Add.
 488         (gtm_thread::cxa_uncaught_count): Add.
 489         (gtm_thread::drop_references_allocations): Rename to...
 490         (gtm_thread::discard_allocation): ... this and adapt.
 491         (gtm_thread::init_cpp_exceptions): New.
 492         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 493         (gtm_thread::begin_transaction): Likewise.
 494         (gtm_transaction_cp::save): Likewise.
 495         (gtm_thread::trycommit): Likewise.
 496         * eh_cpp.cc: Add overview comments.
 497         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 498         (free_any_exception, _ITM_cxa_free_exception): New.
 499         (gtm_thread::init_cpp_exceptions): Define.
 500         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 501         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 502         (gtm_thread::revert_cpp_exceptions): Likewise.
 503
 504 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 505
 506         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 507         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 508         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 509         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 510         (gtm_thread::forget_allocations): New overload with size_t argument.
 511         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 512         adapt existing one.
 513         (gtm_thread::record_allocation): Adapt.
 514         (gtm_thread::commit_allocations_1): Adapt.
 515         (gtm_thread::commit_allocations_2): Adapt.
 516         * testsuite/libitm.c++/newdelete.C: New.
 517
 518 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 519             Joseph Myers  <joseph@codesourcery.com>
 520             Mark Shinwell  <shinwell@codesourcery.com>
 521             Andrew Stubbs  <ams@codesourcery.com>
 522             Rich Felker <dalias@libc.org>
 523
 524         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 525         GTM_begin_transaction for compatibility with FDPIC.
 526
 527 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 528
 529         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 530         using load_gcc_lib.
 531
 532 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 533
 534         PR libitm/61164
 535         * local_atomic (__always_inline): Rename to...
 536         (__libitm_always_inline): ... this.
 537
 538 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 539
 540         PR target/52482
 541         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 542
 543 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 544
 545         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 546         operands "op" and "val" to int.
 547
 548 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 549
 550         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 551         "op" and "val" to int.
 552
 553 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 554
 555         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 556         "op" and "val" to int.
 557
 558 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 559
 560         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 561         Declare as static int.
 562         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 563         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 564
 565 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 566
 567         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 568         sys_futex0 function.
 569
 570 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 571
 572         * Makefile.in: Regenerated with automake-1.11.6.
 573         * aclocal.m4: Likewise.
 574         * configure: Likewise.
 575         * testsuite/Makefile.in: Likewise.
 576
 577 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 578
 579         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 580         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 581
 582 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 583
 584         PR libitm/64360
 585         * libitm.c/stackundo.c (test2): Make it static.
 586         (test1): Likewise.
 587
 588 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 589
 590         Update copyright years.
 591
 592 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 593
 594         * libitm.texi: Bump @copying's copyright year.
 595
 596 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 597
 598         * testsuite/lib/libitm.exp: Load target-utils.exp.
 599         Move load of target-supports.exp earlier.
 600
 601 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 602
 603         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 604
 605 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         PR bootstrap/63784
 608         * configure: Regenerated.
 609
 610 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 611
 612         PR target/63610
 613         * configure: Regenerate.
 614
 615 2014-10-06  Marek Polacek  <polacek@redhat.com>
 616
 617         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 618         * testsuite/libitm.c/memset-1.c: Likewise.
 619
 620 2014-07-24  Richard Henderson  <rth@redhat.com>
 621
 622         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 623         addressing mode in epilogue.
 624
 625 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 626
 627         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 628         -mclear-hwcap instead.
 629         * configure: Regenerate.
 630         * clearcap.map: Remove.
 631
 632 2014-05-21  John Marino  <gnugcc@marino.st>
 633
 634         * configure.tgt (*-*-dragonfly*): New target.
 635
 636 2014-05-19  Richard Henderson  <rth@redhat.com>
 637
 638         * config/aarch64/sjlj.S: New file.
 639         * config/aarch64/target.h: New file.
 640         * configure.tgt: Enable aarch64.
 641
 642 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 643
 644         * config/generic/asmcfi.h: Also check for
 645         __GCC_HAVE_DWARF2_CFI_ASM.
 646
 647 2013-04-02  Richard Henderson  <rth@redhat.com>
 648
 649         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 650         * config/arm/target.h, config/sh/target.h: Likewise.
 651         * config/sparc/target.h, config/x86/target.h: Likewise.
 652
 653 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 654
 655         * config/linux/futex_bits.h: Include errno.h.
 656         (sys_futex0): If syscall returns -1, return -errno rather than
 657         -1.
 658
 659 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 660
 661         * libitm.texi (Index): Rename to Library Index.
 662
 663 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 664
 665         PR libitm/53113
 666         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 667         (x86_avx.lo): Append -mavx to CXXFLAGS.
 668         * Makefile.in: Regenerate.
 669
 670 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 671
 672         Update copyright years
 673
 674 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 675
 676         * libitm.texi: Bump @copying's copyright year.
 677
 678 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 679
 680         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 681         (FUNC): Define ELFv2 variant.
 682         (END): Likewise.
 683         (HIDDEN): Likewise.
 684         (CALL): Likewise.
 685         (BASE): Likewise.
 686         (LR_SAVE): Likewise.
 687
 688 2013-09-20  Alan Modra  <amodra@gmail.com>
 689
 690         * configure: Regenerate.
 691
 692 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 693
 694         * config/posix/rwlock.cc: Fix initialization order.
 695
 696 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 697
 698         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 699         (htm_fastpath): Assign an asm name.
 700         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 701         HTM fast paths.
 702         (_ITM_actions): Likewise.
 703         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 704         x86_64.
 705         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 706         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 707         field to the start of the structure.
 708         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 709         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 710         handling for custom HTM fast paths.
 711
 712 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 713         Revert:
 714         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 715
 716         * configure.tgt: Add -msoft-float to XCFLAGS.
 717
 718 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 719
 720         * configure.tgt: Add -msoft-float to XCFLAGS.
 721
 722 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 723
 724         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 725         (htm_transaction_active): Enable zEC12 instructions in the
 726         assembler.
 727         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 728
 729 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 730
 731         * acinclude.m4: Add htm asm check for s390.
 732         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 733         * configure: Regenerate.
 734         * config/s390/target.h: Remove __HTM__ check.
 735         (htm_available): Call getauxval to get hwcaps and check whether
 736         HTM is available or not.
 737
 738 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 739
 740         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 741         * configure.ac: Use it.
 742         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 743         (AC_CHECK_FUNCS): Check for getauxval.
 744         * config.h.in, configure: Rebuild.
 745         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 746         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 747         (USE_HTM_FASTPATH): Define.
 748         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 749         _HTM_RETRIES) New macros.
 750         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 751         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 752
 753 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 754
 755         * config/s390/target.h: Include htmintrin.h.
 756         (_HTM_ITM_RETRIES): New macro definition.
 757         (htm_available, htm_init, htm_begin, htm_begin_success)
 758         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 759
 760 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 761             Cesar Philippidis  <cesar@codesourcery.com>
 762
 763         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 764         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 765         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 766         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 767
 768 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 769
 770         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 771         (_ITM_getTransactionId): Same.
 772         * config/x86/target.h (htm_transaction_active): New.
 773
 774 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 775
 776         PR libitm/57643
 777         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 778         the HTM fastpath.
 779
 780 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 781
 782         PR bootstrap/56714
 783         * local_atomic (__always_inline): Always define our version.
 784         (__calculate_memory_order): Mark inline.
 785         (atomic_thread_fence): Ditto.
 786         (atomic_signal_fence): Ditto.
 787         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 788         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 789         (atomic_bool::atomic_flag_test_and_set): Ditto.
 790         (atomic_bool::atomic_flag_clear): Ditto.
 791
 792 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 793
 794         * config/s390/sjlj.S: New file.
 795         * config/s390/target.h: New file.
 796         * configure.tgt: Set options for S/390.
 797
 798 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 799
 800         * local_atomic (__always_inline): Add.
 801         (__calculate_memory_order, atomic_thread_fence,
 802          atomic_signal_fence, test_and_set, clear, store, load,
 803          exchange, compare_exchange_weak, compare_exchange_strong,
 804          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 805         Add __always_inline to force inlining.
 806
 807 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 808             Jack Howarth  <howarth@bromo.med.uc.edu>
 809             Patrick Marlier  <patrick.marlier@gmail.com>
 810
 811         PR libitm/55693
 812         * alloc_cpp.cc: Enable function declarations on darwin.
 813         * eh_cpp.cc: Likewise.
 814
 815 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 816
 817         Update copyright years.
 818
 819 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 820
 821         * beginend.cc (htm_fastpath): New.
 822         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 823         _ITM_commitTransactionEH): Add HTM fastpath handling.
 824         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 825         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 826         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 827         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 828         * configure.tgt: Add -mrtm to XCFLAGS.
 829         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 830         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 831         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 832         * retry.cc (parse_default_method): Add HTM method parsing.
 833         (gtm_thread::number_of_threads_changed): Use HTM by default if
 834         available.
 835
 836 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 837
 838         * configure: Regenerate.
 839
 840 2012-10-31  Richard Henderson  <rth@redhat.com>
 841
 842         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 843         * configure.ac: Use it.
 844         * config.h.in, configure: Rebuild.
 845         * testsuite/Makefile.in: Rebuild.
 846
 847 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 848
 849         * libitm.texi: Clarify ABI requirements for data-logging functions.
 850
 851 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 852
 853         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 854         it requires serial mode instead of assuming that for certain
 855         dispatchs.
 856         * dispatch.h (abi_dispatch::requires_serial): New.
 857         (abi_dispatch::abi_dispatch): Adapt.
 858         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 859         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 860         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 861         serial_dispatch::serial_dispatch,
 862         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 863
 864 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 865
 866         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 867         and ia32 declarations some more.
 868         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 869
 870 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 871
 872         PR other/43620
 873         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 874         * configure: Regenerate.
 875         * Makefile.in: Regenerate.
 876
 877 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 878
 879         * configure: Regenerated.
 880
 881 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 882
 883         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 884
 885 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 886
 887         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 888
 889 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 890
 891         * configure: Regenerated.
 892
 893 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 894
 895         PR libitm/52854
 896         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 897         for x86-64.
 898
 899 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 900
 901         * configure: Regenerate.
 902
 903 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 904
 905         PR bootstrap/52812
 906         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 907
 908 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 909
 910         * testsuite/lib/libitm.exp: load fortran-modules.exp
 911
 912 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 913
 914         * configure.tgt (*-*-irix6*): Remove.
 915
 916 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 917
 918         PR libitm/52526
 919         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 920         wake-up.
 921
 922 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 923
 924         * configure.tgt (*-*-osf*): Remove.
 925         * configure: Regenerate.
 926
 927 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 928
 929         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 930         memtransfer/memset if size isn't larger than zero.
 931
 932 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 933
 934         * libitm.texi: Link to specification and add a usage example.
 935
 936 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 937
 938         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 939         default dispatch for more than 1 thread to ml_wt.
 940
 941 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 942
 943         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 944
 945 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 946
 947         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 948
 949 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 950
 951         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 952         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 953         (gl_wt_dispatch.rollback): Same.
 954
 955 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 956
 957         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 958
 959 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 960
 961         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 962         for RfW src.  Optimize number of calls to gtm_thr.
 963
 964 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 965
 966         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 967         acquisition to ...
 968         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 969         (default_dispatch): Make atomic.
 970         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 971         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 972         use decide_begin_dispatch() if default_dispatch might have changed.
 973         (GTM::gtm_thread::number_of_threads_changed): Initialize
 974         default_dispatch here.
 975
 976 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 977             Patrick Marlier  <patrick.marlier@gmail.com>
 978
 979         PR libitm/52220
 980         * alloc_cpp.cc: No dummy definitions for darwin.
 981         * eh_cpp.cc: Likewise.
 982
 983 2012-02-14  Richard Henderson  <rth@redhat.com>
 984
 985         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 986
 987 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 988
 989         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 990
 991 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 992
 993         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 994         (GTM::gtm_thread): Add read and write logs.
 995         (GTM::dispatch_ml_wt): Declare.
 996         * retry.cc (parse_default_method): Support ml_wt.
 997         * method-ml.cc: New file.
 998         * Makefile.am: Add method-ml.cc.
 999         * Makefile.in: Regenerate.
1000
1001 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1002
1003         * dispatch.h (GTM::abi_dispatch::supports): New.
1004         (GTM::method_group::reinit): New.
1005         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1006         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1007         supports the current situation.
1008
1009 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1010
1011         * util.cc (GTM::xcalloc): New.
1012         * common.h (GTM::xcalloc): Declare.
1013
1014 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1015
1016         * config/sparc/target.h (cpu_relax): Read from CC register.
1017         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1018
1019 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1020
1021         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1022
1023 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1024
1025         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1026         * config/sparc/cacheline.h: New file.
1027         * config/sparc/target.h: Likewise.
1028         * config/sparc/sjlj.S: Likewise.
1029         * config/linux/sparc/futex_bits.h: Likewise.
1030
1031 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1032
1033         * configure.ac (link_itm): Fix comment.
1034         * configure: Regenerate.
1035         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1036
1037 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1038
1039         PR libitm/51822
1040         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1041         Correct libgomp references.
1042
1043 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1044
1045         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1046         wake-up.
1047
1048 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1051         end of structure.
1052         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1053         offset values.  Do not copy return address.  Decrement stack
1054         by 56 bytes only.
1055         (GTM_longjump) [__x86_64__]: Update offset values.
1056
1057 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1058
1059         PR libitm/51830
1060         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1061         the first function argument to %eax.
1062
1063 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1064
1065         * libitm.h (_ITM_getThreadnum): Remove.
1066         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1067
1068 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1069
1070         * clearcap.map: New file.
1071         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1072         * configure.ac: Call it.
1073         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1074         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1075         * configure: Regenerate.
1076         * Makefile.in: Regenerate.
1077         * testsuite/Makefile.in: Regenerate.
1078
1079 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1080
1081         PR libitm/51173
1082         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1083         include, exclude options.
1084
1085 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1086
1087         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1088         rolling back.
1089         * containers.h (GTM::vector::set_size): New.
1090
1091 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1092
1093         PR libitm/51855
1094         * config/generic/tls.h (GTM::mask_stack_top): New.
1095         (GTM::mask_stack_bottom): Declare.
1096         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1097         * local.cc (gtm_undolog::rollback): Filter out any updates that
1098         overlap the libitm stack.  Add current transaction as parameter.
1099         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1100         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1101         * testsuite/libitm.c/stackundo.c: New test.
1102
1103 2012-01-10  Richard Henderson  <rth@redhat.com>
1104
1105         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1106         * eh_cpp.cc (_Unwind_DeleteException): Define for
1107         !HAVE_ELF_STYLE_WEAKREF.
1108
1109 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1110
1111         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1112         (GTM::gtm_thread::drop_references_undolog): Remove.
1113         (GTM::gtm_thread::commit_undolog,
1114         GTM::gtm_thread::rollback_undolog): Move to ...
1115         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1116         (GTM::gtm_undolog_entry): Remove.
1117         (GTM::gtm_thread): Adapt.
1118         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1119         (GTM::gtm_thread::trycommit): Adapt.
1120         * method-serial.cc (serial_dispatch::log): Adapt.
1121         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1122         (gl_wt_dispatch::store): Fix likely/unlikely.
1123         * containers.h (GTM::vector::resize): Add additional_capacity
1124         parameter and handle it.
1125         (GTM::vector::resize_noinline): New/adapt.
1126         (GTM::vector::push): New.
1127
1128 2012-01-06  Richard Henderson  <rth@redhat.com>
1129
1130         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1131         * config/linux/powerpc/futex_bits.h: New file.
1132         * config/powerpc/cacheline.h: New file.
1133         * config/powerpc/sjlj.S: New file.
1134         * config/powerpc/target.h: New file.
1135         * config/generic/asmcfi.h (cfi_offset): New.
1136         (cfi_restore, cfi_undefined): New.
1137
1138 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1139
1140         PR other/51171
1141         * testsuite/libitm.c/reentrant.c: Remove xfail.
1142         (thread): Pass x to pure().
1143         From Patrik Marlier <patrick.marlier@gmail.com>.
1144
1145 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1146
1147         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1148         privatization safety if already in serial mode.
1149
1150 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1151
1152         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1153         finish_serial_upgrade parameter.
1154         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1155         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1156         Don't unset reader flag.
1157         (GTM::gtm_rwlock::write_upgrade_finish): New.
1158         * config/posix/rwlock.cc: Same.
1159         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1160         Declare.
1161         * config/posix/rwlock.h: Same.
1162         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1163         flag after commit or after rollback when restarting.
1164
1165 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1166
1167         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1168         (GTM::gtm_thread::try_commit): Changed memory order.
1169         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1170         as parameter.
1171         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1172         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1173         * config/linux/futex_bits.h (sys_futex0): Same.
1174         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1175         * config/linux/futex.h (futex_wait, futex_wake): Same.
1176         * config/linux/rwlock.h (gtm_rwlock::writers,
1177         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1178         ints.
1179         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1180         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1181         gtm_rwlock::write_unlock): Fix memory orders and fences.
1182         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1183         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1184         gtm_rwlock::write_unlock): Same.
1185         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1186         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1187         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1188         Add comments.
1189         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1190         gl_wt_dispatch::load, gl_wt_dispatch::store,
1191         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1192         orders and fences.  Add comments.
1193
1194 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1195
1196         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1197         * Makefile.in: Regenerated.
1198
1199 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1200
1201         * configure.tgt: Add sh* case.
1202         * config/sh/target.h: New file.
1203         * config/sh/sjlj.S: New file.
1204         * config/linux/sh/futex_bits.h: New file.
1205
1206 2011-12-14  Richard Henderson  <rth@redhat.com>
1207
1208         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1209         * config/arm/sjlj.S, config/arm/target.h: New files.
1210         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1211         (cfi_rel_offset): New.
1212         * config/linux/futex_bits.h: New file.
1213         * config/linux/futex.cc: Include futex_bits.h here...
1214         * config/linux/futex.h: ... not here.
1215         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1216         * configure.ac (ARCH_AM): New conditional.
1217         * Makefile.in, configure: Rebuild.
1218         * configure.tgt: Handle ARM.
1219
1220 2011-12-13  Richard Henderson  <rth@redhat.com>
1221
1222         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1223         signed/unsigned comparison werror.
1224
1225         * local_atomic: New file.
1226         * libitm_i.h: Include it.
1227         (gtm_thread::shared_state): Use atomic template.
1228         * beginend.cc (GTM::gtm_clock): Use atomic template.
1229         (global_tid): Use atomic template if 64-bit atomics available.
1230         (gtm_thread::gtm_thread): Update shared_state access.
1231         (gtm_thread::trycommit): Likewise.
1232         (choose_code_path): Update global_tid access.
1233         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1234         * stmlock.h (GTM::gtm_clock): Use atomic template.
1235         (gtm_get_clock, gtm_inc_clock): Update accesses.
1236         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1237         redundant __sync_synchronize after atomic shared_state access.
1238         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1239         (gtm_rwlock::write_lock_generic): Likewise.
1240         (gtm_rwlock::read_unlock): Likewise.
1241         * config/alpha/target.h (atomic_read_barrier): Remove.
1242         (atomic_write_barrier): Remove.
1243         * config/x86/target.h (atomic_read_barrier): Remove.
1244         (atomic_write_barrier): Remove.
1245
1246 2011-11-30  Richard Henderson  <rth@redhat.com>
1247
1248         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1249         * beginend.c (_ITM_abortTransaction): Update to match.
1250         (GTM::gtm_thread::restart): Likewise.
1251         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1252         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1253
1254 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1255
1256         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1257         * Makefile.in: Regenerate.
1258
1259 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1260
1261         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1262         * alloc_cpp.cc: Generate dummy functions if we don't
1263         HAVE_ELF_STYLE_WEAKREF.
1264         * eh_cpp.cc: Likewise.
1265         * configure: Regenerate.
1266         * aclocal.m4:  Likewise.
1267         * config.h.in: Likewise.
1268         * Makefile.in: Likewise.
1269         * testsuite/Makefile.in: Likewise.
1270
1271 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1272
1273         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1274         __USER_LABEL_PREFIX__ for targets that use it.
1275         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1276         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1277         in portability to non-elf targets.
1278         (GTM_longjmp): Likewise.
1279         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1280         where required.
1281
1282 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1283
1284         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1285         * testsuite/libitm.c/memset-1.c: Likewise.
1286
1287 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1288
1289         * configure: Regenerate.
1290
1291 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1292
1293         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1294         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1295         * Makefile.am: Handle sun style versioning.
1296         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1297         * configure: Regenerate.
1298         * Makefile.in: Regenerate.
1299
1300 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1301
1302         * config/generic/asmcfi.h: Fix comment.
1303         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1304         sequence without .hidden support, error for non-ELF targets.
1305         (GTM_longjmp) [__ELF__]: Only use .hidden if
1306         HAVE_ATTRIBUTE_VISIBILITY.
1307
1308 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1309
1310         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1311         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1312         Dummy functions.
1313         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1314         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1315
1316 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1317
1318         PR bootstrap/51098
1319         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1320         * configure: Regenerate.
1321
1322 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1323
1324         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1325
1326 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1327
1328         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1329         .hidden.
1330         (.note.GNU-stack): Only use if __linux__.
1331         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1332         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1333         * testsuite/libitm.c/reentrant.c: Likewise.
1334         * testsuite/libitm.c/simple-2.c: Likewise.
1335         * testsuite/libitm.c/txrelease.c: Likewise.
1336         * testsuite/libitm.c++/static_ctor.C: Likewise.
1337
1338 2011-11-10  Richard Henderson  <rth@redhat.com>
1339
1340         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1341         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1342         * configure.ac (ARCH_X86_AVX): New conditional.
1343         * Makefile.in, configure: Rebuild.
1344
1345 2011-11-09  Richard Henderson  <rth@redhat.com>
1346
1347         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1348         * configure.ac: Use it.
1349         * config.h.in, configure: Rebuild.
1350         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1351
1352 2011-11-09  Richard Henderson  <rth@redhat.com>
1353
1354         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1355         * config/alpha/unaligned.h: Remove file.
1356         * config/generic/unaligned.h: Remove file.
1357         * config/x86/unaligned.h: Remove file.
1358         * config/generic/cachepage.h: Remove file.
1359         * config/posix/cachepage.cc: Remove file.
1360         * config/generic/cacheline.cc: Remove file.
1361         * config/x86/cacheline.cc: Remove file.
1362         * config/generic/cacheline.h (gtm_cacheline): Remove the
1363         store_mask, copy_mask, copy_mask_wb methods.
1364         * config/x86/cacheline.h: Likewise.
1365         * config/alpha/cacheline.h: Fall back to generic after setting size.
1366         * config/generic/tls.cc (gtm_mask_stack): Remove.
1367         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1368         (GTM_vpalignr_table): Remove.
1369         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1370         (GTM_pshift_table): Remove.
1371         * config/libitm_i.h: Don't include cachepage.h.
1372         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1373         * Makefile.in, testsuite/Makefile.in: Rebuild.
1374
1375 2011-11-09  Richard Henderson  <rth@redhat.com>
1376
1377         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1378         to emit branch prediction hint.
1379
1380         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1381         Protect .note.GNU-stack with __linux__.
1382
1383         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1384         * configure, aclocal.m4, config.h.in: Rebuild.
1385         * config/generic/asmcfi.h: New file.
1386         * config/x86/sjlj.S: Use it.
1387
1388 2011-11-08  Richard Henderson  <rth@redhat.com>
1389
1390         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1391
1392 2011-11-08  Richard Henderson  <rth@redhat.com>
1393
1394         * configure.tgt: Test correct directory for supported cpus.
1395
1396         * configure.ac: Exit if unsupported.
1397         * configure: Rebuild.
1398         * configure.tgt: Delete boilerplate from libgomp for unsupported
1399         targets.  Set UNSUPPORTED for unsupported targets.
1400
1401 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1402
1403         * configure.tgt: Handle i386 like i[456]86.
1404         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1405         take address.
1406         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1407         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1408
1409 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1410
1411         * method-wbetl.cc: Update copyright notice.
1412         * aatree.cc: Same.
1413         * util.cc: Same.
1414         * libitm.h: Same.
1415         * memset.cc: Same.
1416         * eh_cpp.cc: Same.
1417         * barrier.tpl: Same.
1418         * useraction.cc: Same.
1419         * stmlock.h: Same.
1420         * memcpy.cc: Same.
1421         * common.h: Same.
1422         * config/generic/tls.cc: Same.
1423         * config/generic/cacheline.h: Same.
1424         * config/generic/cachepage.h: Same.
1425         * config/generic/cacheline.cc: Same.
1426         * config/generic/unaligned.h: Same.
1427         * config/x86/cacheline.h: Same.
1428         * config/x86/cacheline.cc: Same.
1429         * config/x86/unaligned.h: Same.
1430         * config/alpha/cacheline.h: Same.
1431         * config/alpha/unaligned.h: Same.
1432         * config/alpha/sjlj.S: Same.
1433         * config/posix/cachepage.cc: Same.
1434         * config/linux/futex.h: Same.
1435         * config/linux/alpha/futex_bits.h: Same.
1436
1437 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1438
1439         * libitm.texi: No cover text and invariant sections.
1440
1441 2011-11-03  Richard Henderson  <rth@redhat.com>
1442
1443         * local_type_traits: New file.
1444         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1445
1446 2011-11-03  Richard Henderson  <rth@redhat.com>
1447
1448         * configure.ac: Don't test for gfortran.
1449         * configure: Rebuild.
1450
1451         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1452         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1453
1454 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1455
1456         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1457         * testsuite/libitm.c/memset-1.c: Same.
1458         * testsuite/libitm.c/c.exp: Same.
1459         * testsuite/lib/libitm-dg.exp: Same.
1460         * testsuite/lib/libitm.exp: Same.
1461         * testsuite/libitm.c++/c++.exp: Same.
1462
1463 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1464
1465         * testsuite/config/default.exp: Update copyright date.
1466         * configure.ac: Add copyright info.
1467         * configure.tgt: Same.
1468
1469 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1470
1471         * testsuite/libitm.c/reentrant.c: XFAIL.
1472         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1473
1474 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1475
1476         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1477         handle aborts.
1478         (_ITM_abortTransaction): Handle aborts of outer transactions.
1479         * libitm_i.h: Same.
1480         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1481         * libitm.texi: Document aborts of outer transactions.
1482         * testsuite/libitm.c/cancel.c: New file.
1483
1484 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1485
1486         * testsuite/*: Change __transaction to __transaction_atomic or
1487         __transaction_relaxed.
1488
1489 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1490
1491         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1492         (gtm_thr): Same.
1493
1494 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1495
1496         * libitm_i.h: Add gl_wt dispatch.
1497         * retry.cc (parse_default_method): Same.
1498         * method-gl.cc: New file.
1499         * Makefile.am: Use method-gl.cc.
1500         * Makefile.in: Rebuild.
1501
1502 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1503
1504         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1505         safety if requested by a TM method.
1506         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1507         privatization safety.
1508         * method-serial.cc: Same.
1509
1510 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1511
1512         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1513         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1514         undolog-related member functions from *_local to *_undolog.
1515         * local.cc (gtm_thread::commit_undolog): Same.
1516         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1517         (GTM::gtm_thread::rollback): Roll back undolog before
1518         dispatch-specific rollback.
1519
1520 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1521
1522         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1523         re-initialization of the current method group.
1524         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1525
1526 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1527
1528         * alloc.cc (commit_allocations_2): Do not free transaction-local
1529         memory when committing a nested transaction.
1530
1531 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1532
1533         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1534         serial-irrevocable dispatch, not serial.
1535
1536 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1537
1538         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1539         declarations.
1540         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1541         * method-serial.cc: Implement begin_or_restart().
1542         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1543         dispatch-specific begin_or_restart().
1544         (GTM::gtm_thread::restart): Same.
1545
1546 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1547
1548         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1549         restarting without switching to serial mode.
1550         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1551         transaction state. Choose closed-nesting alternative if available.
1552         (GTM::gtm_thread::set_default_dispatch): New.
1553         (parse_default_method): New.
1554         (GTM::gtm_thread::number_of_threads_changed): New.
1555         * method-serial.cc (GTM::serial_mg): New method group class.
1556         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1557         fini.
1558         (GTM::serial_dispatch): Same.
1559         (GTM::serialirr_onwrite_dispatch): Same.
1560         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1561         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1562         registered threads.
1563         (GTM::gtm_thread::gtm_thread): Same.
1564         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1565         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1566         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1567         choose dispatch but set state according to dispatch here.
1568         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1569         (GTM::method_group): New class.
1570         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1571         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1572         * libitm.texi: Document TM methods, method groups, method life cycle.
1573         Rename method sets to method groups.
1574
1575 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1576
1577         * config/x86/tls.h: Moved to ...
1578         * config/linux/x86/tls.h: ... here.
1579
1580 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1581
1582         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1583         Add X32 support.
1584         * config/x86/sjlj.S: Same.
1585
1586 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1587
1588         * config/linux/rwlock.h: New file.
1589         * config/linux/rwlock.c: New file.
1590         * configure.ac: Reenable futex support (undo SVN rev 157758).
1591         * Makefile.am: Same.
1592         * configure.tgt: Same.
1593         * config/linux/alpha/futex_bits.h: Same.
1594         * config/linux/futex.h: Same. Return number of woken processes.
1595         * config/linux/futex.cc: Same.
1596         (futex_wait): Remove spinning.
1597         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1598         Use __x86_64__ instead of __LP64__.
1599         * aclocal.m4: Include generic futex checks.
1600         * configure: Rebuild.
1601         * Makefile.in: Rebuild.
1602         * testsuite/Makefile.in: Rebuild.
1603         * beginend.cc: Include pthread.h.
1604         * config/posix/cachepage.cc: Same.
1605
1606 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1607
1608         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1609         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1610         (set_gtm_thr): New.
1611         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1612         (set_gtm_thr): New.
1613         (GTM::gtm_thread::thread_num): Removed.
1614         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1615         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1616         tx-to-thread renaming.
1617         * beginend.cc: Adapted to tx-to-thread renaming.
1618         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1619         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1620         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1621         gtm_transaction to gtm_thread.
1622         (_ITM_getThreadnum): Removed. Not supported anymore.
1623         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1624         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1625         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1626         gtm_tx-to-gtm_thr renaming if necessary.
1627         * eh_cpp.cc: Same.
1628         * local.cc: Same.
1629         * retry.cc: Same.
1630         * clone.cc: Same.
1631         * alloc.cc: Same.
1632         * alloc_c.cc: Same.
1633         * alloc_cpp.cc: Same.
1634         * method-serial.cc: Same.
1635         * config/generic/tls.cc: Same.
1636         * config/posix/rwlock.h (gtm_rwlock): Same.
1637         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1638
1639 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1640
1641         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1642         implementation.
1643         (gtm_rwlock::read_unlock): Same.
1644         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1645         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1646         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1647         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1648         w_upgrade. Replaced by per-transaction flags (in shared_state).
1649         Added c_confirmed_writers.
1650         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1651         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1652         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1653         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1654         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1655         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1656         * libitm.texi: Document locking conventions and implementations in
1657         libitm.
1658
1659 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1660
1661         * libitm_i.h (next_tx): Add list of all threads' transaction.
1662         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1663         transaction with list of transactions and ...
1664         (thread_exit_handler): ... deregister here.
1665         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1666         * config/x86/target.h: Same.
1667
1668 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1669
1670         * testsuite/libitm.c++/static_ctor.C: New file.
1671
1672 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1673
1674         * testsuite/libitm.c/reentrant.c: New file.
1675
1676 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1677
1678         * config/generic/tls.h: Remove the free list for transactions and ...
1679         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1680         (GTM::gtm_transaction::operator delete): ... and release here.
1681         (thread_exit_handler): New. Delete tx when thread terminates.
1682         (thread_exit_init): New.
1683         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1684         * testsuite/libitm.c/txrelease.c: New file.
1685
1686 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1687
1688         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1689         * testsuite/libitm.c/notx.c: New file.
1690
1691 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1692
1693         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1694         * libitm_i.h (local_tid): ... to here.
1695         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1696         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1697
1698 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1699
1700         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1701         serialirr_onwrite_dispatch as new default for now.
1702         * method-serial.cc (serialirr_onwrite_dispatch): New.
1703         (GTM::dispatch_serialirr_onwrite): New.
1704         * libitm_i.h: Same.
1705
1706 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1707
1708         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1709         * query.cc (_ITM_getTransactionId): There is no active transaction if
1710         the current nesting level is zero.
1711
1712 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1713
1714         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1715         rollback.
1716
1717 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1718
1719         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1720         transaction properties from the caller instead of from the
1721         transaction object.
1722         * libitm_i.h: Same.
1723         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1724
1725 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1726
1727         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1728         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1729         * dispatch.h: Same.
1730         * method-serial.cc: Same.
1731         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1732         flat nesting as default, and closed nesting on demand.
1733         (GTM::gtm_transaction::rollback): Same.
1734         (_ITM_abortTransaction): Same.
1735         (GTM::gtm_transaction::restart): Same.
1736         (GTM::gtm_transaction::trycommit): Same.
1737         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1738         (choose_code_path): New.
1739         (GTM::gtm_transaction_cp::save): New.
1740         (GTM::gtm_transaction_cp::commit): New.
1741         * query.cc (_ITM_inTransaction): Support flat nesting.
1742         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1743         (GTM::gtm_transaction): Support flat and closed nesting.
1744         * alloc.cc (commit_allocations_2): New.
1745         (commit_cb_data): New helper struct.
1746         (GTM::gtm_transaction::commit_allocations): Handle nested
1747         commits/rollbacks.
1748         * libitm.texi: Update user action section, add description of nesting.
1749
1750 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1751
1752         * libitm_i.h: Add closed nesting as restart reason.
1753         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1754
1755 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1756
1757         * useraction.cc: Use vector instead of list to store actions.
1758         Also support partial rollbacks for closed nesting.
1759         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1760         * beginend.cc: Same.
1761
1762 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1763
1764         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1765         closed_nesting flags, as well as a closed nesting alternative.
1766         * method-serial.cc: Same.
1767         (serial_dispatch): Renamed to serialirr_dispatch.
1768         (GTM::dispatch_serialirr): Same.
1769         (serial_dispatch_ul): Renamed to serial_dispatch.
1770         (GTM::dispatch_serial): Same.
1771
1772 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1773
1774         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1775
1776 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1777
1778         * aatree.h (aa_tree::remove): New.
1779         (aa_tree::operator new): Add placement new.
1780
1781 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1782
1783         * containers.h: New file.
1784         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1785         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1786         * common.h: ... to here.
1787         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1788         * local.cc: Same.
1789
1790 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1791
1792         * libitm_i.h (STATE_ABORTING): Remove.
1793         * beginend.cc (_ITM_abortTransaction): Same.
1794         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1795         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1796         (_ITM_rollbackTransaction): Remove.
1797         * beginend.cc: Same.
1798         * libitm.map: Same.
1799         * libitm.texi: Document these ABI changes.
1800
1801 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1802
1803         * libitm.texi: New file.
1804         * Makefile.am: Add libitm.texi.
1805         * Makefile.in: Rebuild.
1806
1807 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1808
1809         * libitm_i.h: Move parts to common.h and dispatch.h.
1810         * common.h: New file.
1811         * dispatch.h: New file, new dispatch class.
1812         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1813         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1814         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1815         decision to retry.cc.
1816         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1817         only.
1818         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1819         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1820         logging.
1821         * barrier.cc: Use new barriers definitions.
1822         (abi_dispatch::memmove_overlap_check): New.
1823         * config/x86/x86_sse.cc: Same.
1824         * config/x86/x86_avx.cc: Same.
1825         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1826         memcpy.cc.
1827         * Makefile.in: Rebuild.
1828         * method-readonly.cc: Remove.
1829         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1830         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1831
1832 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1833
1834         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1835         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1836         * testsuite/libitm.c/dropref-2.c: Same.
1837         * testsuite/libitm.c/dropref.c: Same.
1838
1839 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1840
1841         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1842         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1843         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1844         * alloc_c.cc: Same.
1845         * barrier.tpl: Same.
1846         * beginend.c: Same.
1847         * config/generic/tls.h: Same.
1848         * config/x86/tls.h: Same.
1849         * libitm_i.h: Same.
1850         * memcpy.cc: Same.
1851         * memset.cc: Same.
1852         * method-readonly.cc: Same.
1853         * method-serial.cc: Same.
1854         * method-wbetl.cc: Same.
1855         * retry.cc: Same.
1856
1857 2011-03-03  Richard Henderson  <rth@redhat.com>
1858
1859         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1860         From Patrik Marlier <patrick.marlier@unine.ch>.
1861
1862 2011-02-03  Richard Henderson  <rth@redhat.com>
1863
1864         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1865         * configure.ac: Use it.
1866         * configure, config.h.in: Rebuild.
1867         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1868         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1869         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1870         * libitm.map: Use wildcards to match size_t mangling.
1871
1872 2010-12-14  Richard Henderson  <rth@redhat.com>
1873
1874         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1875         blocks of TIDs per thread.
1876         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1877         (setup_gtm_thr): Return the thread structure.
1878         * config/x86/tls.h (setup_gtm_thr): Likewise.
1879
1880 2010-12-14  Richard Henderson  <rth@redhat.com>
1881
1882         * clone.cc (table_lock): Remove.
1883         (find_clone): Don't take it.
1884         (ExcludeTransaction): New helper class.
1885         (_ITM_registerTMCloneTable): Use it.
1886         (_ITM_deregisterTMCloneTable): Likewise.
1887
1888 2010-12-14  Richard Henderson  <rth@redhat.com>
1889
1890         * config/x86/tls.h: New file.
1891
1892 2010-07-15  Richard Henderson  <rth@redhat.com>
1893
1894         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1895         * Makefile.in: Rebuild.
1896
1897 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1898
1899         * method-wbetl.cc (trydropreference): Fix source line.
1900
1901 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1902
1903         * libitm.h: Add comment.
1904         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1905
1906 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1907
1908         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1909         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1910         available, use pthread mutexes.
1911         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1912         * config.h.in: Regenerate.
1913         * configure: Regenerate.
1914
1915 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1916
1917         * libitm.h (ITM_PURE): Define.
1918         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1919
1920 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1921
1922         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1923         (validate): Add comment.
1924         (trydropreference): New.
1925         * method-readonly.cc (class readonly_dispatch): Add
1926         trydropreference.
1927         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1928         Call trydropreference().
1929         * libitm.h (_ITM_dropReferences): Remove const attribute.
1930         * method-serial.cc (class serial_dispatch): Add trydropreference.
1931         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1932
1933 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1934
1935         * memcpy.cc (do_memcpy): Comment.
1936
1937 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1938
1939         * barrier.tpl: Add comments throughout.
1940
1941 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1942
1943         * method-wbetl.cc (struct w_entry): Add comments.
1944         (trycommit): Same.
1945         (rollback): Same.
1946
1947 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1948
1949         * alloc_c.cc (_ITM_dropReferences): New.
1950         * libitm.map (_ITM_dropReferences): Add.
1951         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1952         * libitm_i.h (struct gtm_transaction): Declare
1953         drop_references_allocations and drop_references_local.
1954         * local.cc (rollback_local): Ignore memory when applicable.
1955         (drop_references_local): New.
1956
1957 2010-06-23  Richard Henderson  <rth@redhat.com>
1958
1959         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1960         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1961         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1962         * config/alpha/target.h: Likewise.
1963         * config/generic/tls.cc (gtm_mask_stack): Use it.
1964
1965 2010-06-23  Richard Henderson  <rth@redhat.com>
1966
1967         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1968         a mutex instead of trying a lock-free compare-and-swap on the list.
1969         (gtm_cacheline_page::operator delete): Likewise.
1970
1971 2010-06-16  Richard Henderson  <rth@redhat.com>
1972
1973         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1974         that overlap the libitm stack.
1975         * barrier.tpl: Mark incoming stack.
1976         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1977         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1978         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1979         * memcpy.cc, memset.cc: Likewise.
1980         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1981         * config/generic/tls.h (gtm_thread): Add stack_top member.
1982         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1983         * libitm_i.h (gtm_mask_stack): Declare.
1984         * config/generic/tls.cc: New file.
1985         * Makefile.am (libitm_la_SOURCES): Add it.
1986         (AM_CXXFLAGS): Turn off exceptions.
1987         * Makefile.in: Rebuild.
1988
1989 2010-06-16  Richard Henderson  <rth@redhat.com>
1990
1991         * alloc.cc (struct gtm_alloc_action): Move definition ...
1992         * libitm_i.h: ... here.
1993         (class gtm_transaction): Declare new and delete.
1994         * beginend.cc (alloc_tx): Reformulate as operator new.
1995         (free_tx): Reformulate as operator delete.
1996         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1997
1998 2010-06-11  Richard Henderson  <rth@redhat.com>
1999
2000         * clone.cc (clone_entry_compare): Fix typo.
2001         From Patrik Marlier <patrick.marlier@unine.ch>.
2002
2003 2010-05-13  Richard Henderson  <rth@redhat.com>
2004
2005         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2006         in extern "C".
2007
2008 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2009
2010         * libitm_i.h (struct gtm_transaction): Remove
2011         get_allocation_size.
2012         (record_allocation): Remove size parameter.
2013         * libitm.map (_ITM_realloc): Remove.
2014         * alloc_c.cc (_ITM_realloc): Remove.
2015         (_ITM_malloc): Remove size argument to record_allocation.
2016         (_ITM_calloc): Same.
2017         * alloc_cpp.cc (_ZGTtnwm): Same.
2018         (_ZGTtnwmRKSt9nothrow_t): Same.
2019         (_ZGTtnam): Same.
2020         (_ZGTtnamRKSt9nothrow_t): Same.
2021         * alloc.cc (struct gtm_alloc_action): Remove size.
2022         (get_allocation_size): Remove.
2023         (commit_allocations): Add comment.
2024         (record_allocation): Remove size parameter.
2025         (forget_allocation): Remove set of size.
2026
2027 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2028
2029         * Makefile.am (abi_version): New.
2030         (AM_CXXFLAGS): Pass abi_version.
2031         * Makefile.in: Regenerate.
2032         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2033
2034 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2035
2036         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2037         _ITM_getTMCloneOrIrrevokable.
2038         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2039         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2040
2041 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2042
2043         * configure.ac: Remove Linux futex support.
2044         * configure.tgt (config_path): Same.
2045         * Makefile.am: Same.
2046         * config/linux: Remove entire directory.
2047         * configure: Rebuild.
2048         * Makefile.in: Rebuild.
2049         * testsuite/Makefile.in: Rebuild.
2050
2051 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2052
2053         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2054         switching to serial mode.
2055         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2056
2057 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2058
2059         * configure.tgt: Add emacs -*- tags.
2060         * barrier.tpl: Same.
2061
2062 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2063
2064         * Makefile.am: Rename serial.cc to method-serial.cc.
2065         * Makefile.in: Regenerate with automake 1.11.1.
2066         * testsuite/Makefile.in: Same.
2067         * aclocal.m4: Regenerate with aclocal 1.11.1.
2068         * method-serial.cc: Rename from serial.cc.
2069         * libitm_i.h (struct gtm_transaction): Update comment on
2070         serialirr_mode.
2071
2072 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2073
2074         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2075         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2076
2077 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2078
2079         * configure: Rebuild.
2080
2081 2009-11-12  Richard Henderson  <rth@redhat.com>
2082
2083         * Rewrite everything in C++.
2084
2085 2009-11-03  Richard Henderson  <rth@redhat.com>
2086
2087         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2088         * Makefile.am (libitm_la_SOURCES): Add them.
2089         * configure.ac (ARCH_X86): New conditional.
2090         * Makefile.in, configure: Rebuild.
2091         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2092         Move futex setup into "other system configury" case.
2093         * local.c (rollback_local): Merge into ...
2094         (GTM_rollback_local): ... here.
2095         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2096         (_ITM_LB): Define as an alias to GTM_LB.
2097
2098 2009-11-03  Richard Henderson  <rth@redhat.com>
2099
2100         * method-readonly.c: New file.
2101         * Makefile.am (libitm_la_SOURCES): Add it.
2102         * Makefile.in: Rebuild.
2103         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2104         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2105         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2106         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2107         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2108         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2109         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2110         gtm_get_clock, gtm_inc_clock): New.
2111         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2112         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2113         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2114         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2115         replace uses with new libitm_i.h symbols.
2116         (dispatch_wbetl): Rename from wbetl_dispatch.
2117         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2118         away from dispatch_readonly; abort if the beginTransaction call
2119         asserted that the transaction was readonly.
2120
2121 2009-11-03  Richard Henderson  <rth@redhat.com>
2122
2123         * memset.c: New file.
2124         * Makefile.am (libitm_la_SOURCES): Add it.
2125         * Makefile.in: Rebuild.
2126         * testsuite/libitm.c/memset-1.c: New.
2127
2128 2009-11-03  Richard Henderson  <rth@redhat.com>
2129
2130         * dispatch.c: Remove file.
2131         * useraction.c (struct gtm_user_action): Move from libitm.h.
2132         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2133         (serial_memset, serial_memmove, serial_memcpy): Remove.
2134         (serial_W*, serial_R*): Remove.
2135         (serial_dispatch): Update to match.
2136         * configure.ac: Move Werror down below configure checks.  Don't
2137         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2138         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2139         Use GCC_AC_FUNC_MMAP_BLACKLIST
2140         * libitm.h: Split out all internal items to...
2141         * libitm_i.h: ... here.  New file.
2142         * copymask.c: New file.
2143         * local.c (struct gtm_local_undo): Move from libitm.h.
2144         (GTM_alloc_local): Rename from alloc_local; export.
2145         * memcpy.c: New file.
2146         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2147         * config/posix/page.c: New file.
2148         * config/posix/target_tls.h: Remove file.
2149         * barrier.c: New file.
2150         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2151         copymask.c, page.c.
2152         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2153         * method-wbetl.c: Rewrite for new cacheline methods.
2154         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2155
2156         * config/alpha/sjlj.S: Fix typo.
2157         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2158         * config/alpha/copymask.c: New file.
2159         * config/alpha/target.h (CACHELINE_SIZE): New.
2160         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2161
2162         * config/x86/target_i.h: Copy functions from x86/target.h.
2163         * config/x86/copymask.c: New file.
2164         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2165         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2166         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2167         * config/x86/target_tls.h: Move contents to target_i.h.
2168
2169         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2170         * testsuite/libitm.c/memcpy-1.c: New.
2171
2172 2009-10-22  Richard Henderson  <rth@redhat.com>
2173
2174         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2175         (AM_CCASFLAGS): New.
2176         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2177         saving/restoring _AC_ARG_VAR_PRECIOUS.
2178         * Makefile.in, aclocal.m4, config.h.in, configure,
2179         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2180
2181 2009-10-22  Richard Henderson  <rth@redhat.com>
2182
2183         * testsuite/*: Update for new compiler syntax.
2184
2185 2009-10-21  Richard Henderson  <rth@redhat.com>
2186
2187         * libitm.h (_ITM_abortReason): Add outerAbort.
2188
2189 2009-08-03  Richard Henderson  <rth@redhat.com>
2190
2191         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2192         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2193         * method-wbetl.c (struct w_entry): Remove mask.
2194         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2195         adjust all callers.
2196
2197 2009-07-22  Richard Henderson  <rth@redhat.com>
2198
2199         * eh_cpp.c: New file.
2200         * Makefile.am (libitm_la_SOURCES): Add it.
2201         * Makefile.in: Rebuild.
2202         * beginend.c (GTM_rollback_transaction): Undo exception state.
2203         (GTM_trycommit_transaction): Mark inline.
2204         (GTM_trycommit_and_finalize_transaction): Split out from ...
2205         (_ITM_commitTransaction): ... here.
2206         (_ITM_commitTransactionEH): New function.
2207         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2208         cxa_unthrown, eh_in_flight; reorder.
2209
2210         * testsuite/libitm.c++/c++.exp: New.
2211         * testsuite/libitm.c++/eh-1.C: New.
2212
2213         * aatree.c (aa_free): Remove REGPARM.
2214         * aatree.h: Remove all REGPARM.
2215
2216 2009-07-18  Richard Henderson  <rth@redhat.com>
2217
2218         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2219         * Makefile.am (libitm_la_SOURCES): Add them.
2220         * Makefile.in: Rebuild.
2221         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2222         (GTM_trycommit_transaction): Likewise.
2223         * libitm.h: Include aatree.h
2224         (struct gtm_alloc_action): New.
2225         (struct gtm_transaction): Add alloc_actions.
2226         (GTM_record_allocation, GTM_forget_allocation): Declare.
2227         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2228         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2229         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2230         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2231         _ZGTtdaPvRKSt9nothrow_t): Export.
2232
2233 2009-07-18  Richard Henderson  <rth@redhat.com>
2234
2235         * target_tls.h: Move ...
2236         * config/posix/target_tls.h: ... here.
2237
2238 2009-07-07  Richard Henderson  <rth@redhat.com>
2239
2240         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2241
2242 2009-07-07  Richard Henderson  <rth@redhat.com>
2243
2244         * Update to GPL3.
2245
2246 2009-07-07  Richard Henderson  <rth@redhat.com>
2247
2248         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2249         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2250
2251         * configure.tgt: Don't use -ftls-model for x86 linux.
2252         * libitm.h: Include target.h after standard includes.
2253         (_gtm_thr): Rename from gtm_thr.
2254         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2255         (gtm_disp, set_gtm_disp): New.
2256         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2257         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2258         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2259
2260 2009-07-07  Richard Henderson  <rth@redhat.com>
2261
2262         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2263
2264 2009-07-06  Richard Henderson  <rth@redhat.com>
2265
2266         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2267         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2268         (_ITM_beginTransaction): Take variadic arguments.
2269         (_ITM_registerThrownObject): Declare.
2270         * beginend.c, serial.c: Update.
2271         * libitm.map: Add _ITM_registerThrownObject.
2272
2273 2009-01-28  Richard Henderson  <rth@redhat.com>
2274
2275         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2276         * Makefile.in: Rebuild.
2277         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2278         (GTM_restart_transaction): Fix uninstrumented code check.
2279         * retry.c (GTM_decide_retry_strategy): Add serial check.
2280         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2281         automatically go irrevokable when in serial mode.
2282         * clone.c: New file.
2283         * libitm.h, libitm.map: Update.
2284
2285 2009-01-27  Richard Henderson  <rth@redhat.com>
2286
2287         * Makefile.am (LTCCASCOMPILE): Define.
2288         (libitm_la_SOURCES): Add methid-wbetl.c.
2289         * testsuite/Makefile.am: New
2290         * configure.ac: Add testsuite/Makefile.
2291         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2292         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2293         (_ITM_abortTransaction): Finalize implementation method; pass
2294         transaction properties to longjmp.
2295         (GTM_restart_transaction): Split out from ...
2296         (_ITM_commitTransaction): ... here.
2297         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2298         Move to config/x86/target.h.
2299         * config/linux/alpha/futex_bits.h: New.
2300         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2301         * config/x86/target.h: Disable target types for 32-bit.
2302         * config/alpha/sjlj.S, config/alpha/target.h: New.
2303         * libitm.h (struct gtm_dispatch): Add init, fini.
2304         (enum restart_reason): New.
2305         (struct gtm_transaction): Add method and restarts.
2306         * retry.c (GTM_decide_retry_strategy): Implement.
2307         * serial.c (serial_init, serial_fini): New.
2308         (GTM_serialmode): Finialize outgoing method.
2309         * method-wbetl.c: New.
2310
2311 2008-12-09  Richard Henderson  <rth@redhat.com>
2312
2313         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2314         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2315         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2316         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2317         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2318         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2319         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2320         * serial.c (serial_R##T, serial_W##T): Likewise.
2321
2322 2008-11-21  Richard Henderson  <rth@redhat.com>
2323
2324         * Initial commit.
2325 \f
2326 Copyright (C) 2008-2022 Free Software Foundation, Inc.
2327
2328 Copying and distribution of this file, with or without modification,
2329 are permitted in any medium without royalty provided the copyright
2330 notice and this notice are preserved.